A retractable screen mechanism and display device

Abstract

The application discloses a telescopic screen mechanism and a display device. The telescopic screen mechanism comprises a telescopic screen, a first connecting part and a second connecting part arranged at two ends of the telescopic screen, a telescopic assembly, one end of the telescopic assembly being connected with the first connecting part, the other end of the telescopic assembly being connected with the second connecting part, a driving part having an output end, and a transmission assembly, an input end of the transmission assembly being connected with the output end of the driving part, and an output end of the transmission assembly being connected with the telescopic assembly. The telescopic screen mechanism is characterized in that the two ends of the telescopic assembly are connected with the first connecting part and the second connecting part of the telescopic screen respectively, so that the first connecting part and the second connecting part of the telescopic screen can be kept in a tension state during telescoping, thereby avoiding the problems of screen creases, uneven surface and influence on the use feeling caused by too fast or too slow screen telescoping.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of telescopic device, more particularly, to a telescopic screen mechanism. BACKGROUND

[0002] The flexible telescopic screen is widely used in intelligent terminal because of its characteristics of folding conveniently, telescoping freely and adjusting the display area of the screen according to the needs of users.

[0003] The telescopic structure of the existing telescopic screen includes a chain structure and a driving mechanism and a transmission mechanism matched with the chain structure, the chain structure is driven to rotate by the driving mechanism, and then the telescoping function of the screen connected with the chain structure is driven, in this way, one end of the telescopic screen moves, and the tension state of the screen cannot be guaranteed, and the screen is easily wrinkled or damaged during the process of screen contraction or expansion.

[0004] In summary, how to provide a telescopic screen mechanism that guarantees the flatness of the telescopic screen during the telescoping process is a problem that needs to be solved by the technical personnel in the field. SUMMARY

[0005] Therefore, the purpose of the present application is to provide a telescopic screen mechanism, by using the telescopic assembly, the first connecting part and the second connecting part of the telescopic screen can be kept in a tension state, avoiding the problem that the screen is wrinkled and the surface is uneven due to too fast or too slow telescoping, affecting the use feeling. Another purpose of the present application is to provide a display device comprising the telescopic screen mechanism.

[0006] In order to achieve the above purpose, the present application provides the following technical scheme:

[0007] A telescopic screen mechanism, comprising:

[0008] A telescopic screen, two ends of the telescopic screen are provided with a first connecting part and a second connecting part;

[0009] A telescopic assembly, one end of the telescopic assembly is connected with the first connecting part, and the other end of the telescopic assembly is connected with the second connecting part;

[0010] A driving member having an output end;

[0011] A transmission assembly, an input end of the transmission assembly is connected with the output end of the driving member, and an output end of the transmission assembly is connected with the telescopic assembly.

[0012] Preferably, one end of the telescopic screen is provided with a support seat, and the second connecting part is connected with the support seat.

[0013] Preferably, the control element is further provided, and the control element is signal connected with the driving member.

[0014] Preferably, one side of the support base is provided with a shell, and the driving member and the transmission assembly are arranged in the shell.

[0015] Preferably, the telescopic assembly comprises:

[0016] a first rack, two ends of the first rack being connected with the output end of the transmission assembly and the first connecting part respectively;

[0017] an elastic member, one end of the elastic member being connected with the support base, and the other end of the elastic member being used for being connected with a display base.

[0018] Preferably, the telescopic assembly comprises:

[0019] a connecting rod mechanism, one end of the connecting rod mechanism being connected with the output end of the transmission assembly, and the other end of the connecting rod mechanism being connected with the first connecting part;

[0020] an elastic member, one end of the elastic member being connected with the support base, and the other end of the elastic member being used for being connected with a display base.

[0021] Preferably, the telescopic assembly comprises:

[0022] a first rack, two ends of the first rack being connected with the first output end of the transmission assembly and the first connecting part respectively;

[0023] a second rack, two ends of the second rack being connected with the second output end of the transmission assembly and the support base respectively.

[0024] Preferably, a plurality of telescopic assemblies are arranged in the middle part of the telescopic screen.

[0025] Alternatively, a plurality of telescopic assemblies are symmetrically arranged on two sides of the telescopic screen.

[0026] Preferably, the elastic member is a tension spring.

[0027] The application further provides a display device comprising the telescopic screen mechanism.

[0028] The telescopic screen mechanism provided by this invention includes a telescopic screen, a telescopic component, and a transmission component. The telescopic screen has a first connecting portion and a second connecting portion at both ends. One end of the telescopic component is connected to the first connecting portion, and the other end of the telescopic component is connected to the second connecting portion. The input end of the transmission component is connected to the output end of the driving component, and the output end of the transmission component is connected to the telescopic component. When the driving component drives the transmission component to rotate, the telescopic component can cause the telescopic screen to retract or expand. When the telescopic component is in action, the first and second connecting portions of the telescopic screen can remain in a taut state, ensuring the stability of the screen during retraction or expansion, ensuring the screen retracts or expands in place, and avoiding screen wrinkles and uneven surfaces caused by excessively fast or slow retraction or expansion, thus ensuring the flatness of the telescopic screen during the retraction or expansion process.

[0029] The display device provided by the present invention includes the above-mentioned telescopic screen mechanism, and therefore can achieve the same technical effect as the telescopic screen mechanism. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the structure of the telescopic screen provided by the present invention;

[0032] Figure 2 for Figure 1 Top view;

[0033] Figure 3 for Figure 2 Sectional view along axis AA;

[0034] Figure 4 This is a schematic diagram of another telescopic screen provided by the present invention;

[0035] Figure 5 for Figure 4 Top view;

[0036] Figure 6 for Figure 5 BB-direction sectional view;

[0037] Figure 7 A schematic diagram of another telescopic screen provided by the present invention;

[0038] Figure 8 for Figure 7 A schematic diagram of the internal structure of the shell.

[0039] Figures 1-8In the drawings, reference signs include:

[0040] Telescopic screen 1, first rack 2, shell 3, elastic member 4, support seat 5, connecting rod mechanism 6, second rack 7, driving member 8, transmission assembly 9;

[0041] First connecting part 11, second connecting part 12. DETAILED DESCRIPTION

[0042] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0043] The core of the present application is to provide a telescopic screen mechanism, through the action of the telescopic assembly, the first connecting part 11 and the second connecting part 12 of the telescopic screen 1 can be kept in tension state during telescoping, avoiding the screen from being too fast or too slow to cause screen wrinkles, uneven surface, and affecting the use of the problem. Another core of the present application is to provide a display device comprising the telescopic screen mechanism.

[0044] Please refer to Figures 1 to 6 The telescopic screen mechanism provided by the present application comprises a telescopic screen 1, a telescopic assembly and a transmission assembly 9. Figure 1 、 Figure 4 、 Figure 7 All are the telescopic screen mechanism provided by the present application.

[0045] The telescopic screen 1 is a flexible screen, which can slide around the reel, and the two ends of the telescopic screen 1 are provided with the first connecting part 11 and the second connecting part 12. The first connecting part 11 and the second connecting part 12 are both end parts of the telescopic screen 1, and the first connecting part 11 and the second connecting part 12 move synchronously during the telescoping operation of the telescopic screen 1, so as to ensure the tension state of the telescopic screen 1 during telescoping.

[0046] One end of the telescopic assembly is connected with the first connecting part 11 of the telescopic screen 1, and the other end of the telescopic assembly is connected with the second connecting part 12 of the telescopic screen 1. The moving direction of the first connecting part 11 and the second connecting part 12 is the same.

[0047] The transmission assembly 9, the input end of the transmission assembly 9 is connected with the output end of the driving member 8, and the output end of the transmission assembly 9 is connected with the telescopic assembly. The driving member 8 can drive the transmission assembly 9 to realize torque output and act on the telescopic assembly. Further, the two ends of the telescopic assembly are connected with the first connecting part 11 and the second connecting part 12 of the telescopic screen 1. The driving member 8 drives the transmission assembly 9 to drive the telescopic assembly, so as to meet the needs of stretching or shrinking of the telescopic screen 1.

[0048] The driving member 8 can be one or more motors for converting mechanical energy into electrical energy to generate driving torque to drive the telescopic assembly.

[0049] The transmission assembly 9 can be a gear transmission group, such as a worm helical gear, a parallel gear, a bevel gear, or a combination of one or more gears.

[0050] The transmission assembly 9 is preferably a worm helical gear or a parallel gear, and their combination can achieve a large transmission ratio in a small space, achieve speed reduction and force amplification of the driving member 8, and output torque to the telescopic assembly for telescopic operation of the telescopic screen 1. The structure is simple, the transmission efficiency is high, which is beneficial to save the space of the telescopic screen mechanism, avoid interference during the telescopic process of the telescopic screen 1, reduce noise during use, improve applicability and product core competitiveness. The combination of worm helical gears and parallel gears can meet the design requirements of flexible screen small intelligent mobile terminals, and has good application and promotion value.

[0051] The driving member 8 can drive the transmission assembly 9 to further act on the telescopic assembly, and drive the first connecting part 11 and the second connecting part 12 of the telescopic screen 1 to move through the movement of the telescopic assembly, so as to achieve the purpose of retracting or expanding the telescopic screen 1.

[0052] The driving member 8 can drive the transmission assembly 9 to further act on the telescopic assembly, and drive the telescopic screen 1 to retract or expand through the movement of the telescopic assembly, realize the expansion of the telescopic screen 1 through mechanization, avoid the situation that manual operation causes wrinkles on the surface of the telescopic screen 1 or the telescopic screen 1 cannot be telescoped to the position, ensure the service life and accurate telescoping operation of the telescopic screen 1, and ensure good display effect.

[0053] The mechanism form of the telescopic assembly is not limited, which can be a connecting rod mechanism or a rack mechanism, and can meet the use requirements.

[0054] The setting position and number of the telescopic assembly are not limited, which can meet the requirements, such as the telescopic assembly can be symmetrically arranged on both sides of the telescopic screen 1 or arranged in the length direction of the telescopic screen 1, so as to ensure that the first connecting part 11 and the second connecting part 12 of the telescopic screen 1 are kept in tension state during telescoping, and the flatness of the telescopic screen 1 during telescoping is ensured.

[0055] Optionally, a certain protection member can be arranged on the driving member 8, so that the driving member 8 can be stopped in an emergency when the transmission assembly 9 is damaged or fails, and the service life of the driving member 8 is ensured.

[0056] The telescopic screen mechanism comprises a telescopic screen 1, a telescopic assembly and a transmission assembly 9, the telescopic screen 1 is provided with a first connecting part 11 and a second connecting part 12 at two ends, one end of the telescopic assembly is connected with the first connecting part 11, the other end of the telescopic assembly is connected with the second connecting part 12, the input end of the transmission assembly 9 is connected with the output end of the driving part 8, and the output end of the transmission assembly 9 is connected with the telescopic assembly; when the driving part 8 drives the transmission assembly 9 to rotate, the telescopic assembly can drive the telescopic screen 1 to contract or expand; when the telescopic assembly acts, the first connecting part 11 and the second connecting part 12 of the telescopic screen 1 can keep a tensioned state, the stability of the screen during contraction or expansion is ensured, the screen is ensured to be telescoped in place, the screen is prevented from being telescoped too fast or too slow to cause screen wrinkles, uneven surface and affect the use feeling, and the flatness of the screen during telescoping is ensured.

[0057] On the basis of the above embodiment, the telescopic screen 1 is provided with a support seat 5 on one side, and the second connecting part 12 is connected with the support seat 5.

[0058] Please refer to Figure 1 , Figure 3 and Figure 5 , the support seat 5 is a support part at the end of the telescopic screen 1, in order to avoid damage to the end of the screen, the support seat 5 is connected with the second connecting part 12, and the telescopic assembly is connected with the support seat 5 to realize the connection with the telescopic screen 1.

[0059] The length of the support seat 5 is not less than the length of the telescopic screen 1, the whole of the second connecting part 12 of the telescopic screen 1 can be stably connected with the support seat 5, the second connecting part 12 can be smoothly pulled by pulling the support seat 5, and the problems of wrinkles or inconsistent pulling speed of different parts of the second connecting part 12 during pulling are avoided.

[0060] In the embodiment, the structure form of the support seat 5 is not specifically limited, and the use requirement is met.

[0061] On the basis of any of the above embodiments, the telescopic screen mechanism further comprises a control element, and the control element is signal connected with the driving part 8.

[0062] The control element can control the movement of the driving part 8, so as to start the driving part 8 to drive the telescopic screen 1 to expand or contract according to the actual needs of the user.

[0063] The control element can have various structure forms, such as one or more of a PCB (Printed Circuit Board) or a FCB (Flexible Printed Circuit) or other control elements, and the use requirement is met.

[0064] As a preferred embodiment, the control element can adjust the speed of the driving element 8, and can control the speed of the extension or retraction of the telescopic screen 1, to meet the diversified needs of users, to be more convenient, and to improve the core competitiveness.

[0065] On the basis of any of the above embodiments, the support base 5 is provided with a housing 3, and the driving element 8 and the transmission assembly 9 are arranged in the housing 3.

[0066] Please refer to Figure 3 , Figure 6 , Figure 8 The driving element 8 and the transmission assembly 9 are arranged in the housing 3, and the housing 3 has an opening to provide a mounting space for the driving element 8 and the telescopic assembly. The housing 3 can be a combined housing, which facilitates the assembly and disassembly of the driving element 8, the transmission assembly 9 and the telescopic assembly, and ensures the safety and stability of the operation. The structure, material and size of the housing 3 are not limited, and the housing 3 can meet the storage needs of the driving element 8 and the transmission assembly 9.

[0067] The housing 3 is arranged on one side of the support base 5, and the housing 3 is a fixed element. The housing 3 is away from the telescopic screen 1, and the telescopic assembly can ensure that the telescopic screen 1 remains in a tension state during extension and retraction. In the case of meeting the use requirements, the volume of the housing 3 is as small as possible to avoid contact with the telescopic screen 1 during extension and retraction, and to avoid the telescopic screen 1 being worn out when the two are in contact, which affects the service life or display effect of the telescopic screen 1.

[0068] On the basis of any of the above embodiments, the telescopic assembly comprises: a first rack 2, the two ends of the first rack 2 are respectively connected with the output end of the transmission assembly 9 and the first connecting part 11; and an elastic element 4, one end of the elastic element 4 is connected with the support base 5, and the other end of the elastic element 4 is used to be connected with the display base.

[0069] Please refer to Figure 1 , Figure 2 , Figure 3 The transmission assembly 9 drives the first rack 2 to move to drive the first connecting part 11 of the telescopic screen 1 to move, and the elastic element 4 is connected with the support base 5 to tension the telescopic screen 1.

[0070] During the extension of the telescopic screen 1 driven by the first rack 2, the elastic element 4 is in a lengthened state, generating a pulling resistance, and the direction of the resistance is opposite to the direction of the extension of the telescopic screen 1, so as to avoid the telescopic screen 1 being pulled out directly when it is extended too fast, and to ensure the stability and flatness of the screen during extension. During the retraction of the telescopic screen 1 driven by the first rack 2, the elastic element 4 is in a retracted state, and the elastic force of the elastic element 4 is in the same direction as the retraction direction of the telescopic screen 1. At this time, the elastic element 4 uses its elastic force to cooperate with the connecting rod mechanism 6 to retract the telescopic screen 1 to the position.

[0071] When the telescopic screen 1 is stretched out, the first rack 2 can drive the first connecting part 11 of the telescopic screen 1 to rise under the action of the driving part 8 and the transmission assembly 9, the elastic part 4 can provide elastic tension to one end where the second connecting part 12 of the telescopic screen 1 is located, so that the telescopic screen 1 in the stretched state is in a tension state to ensure the neatness of the screen, avoid the screen from being wrinkled or damaged, ensure better display effect and improve the experience of users.

[0072] When the telescopic screen 1 is retracted, the first rack 2 can drive the first connecting part 11 of the telescopic screen 1 to descend under the action of the driving part 8 and the transmission assembly 9, at this time, the elastic part 4 is in a retracted state, the elastic force of the elastic part 4 itself can be used to cooperate with the connecting rod mechanism 6 to make the telescopic screen 1 retract to the position, at this time, the control element can control the driving part 8 to stop working.

[0073] It should be noted that the rising and descending here refers to the up-down direction in the Figure 1 .

[0074] The elastic part 4 can be a tension spring, a torsion spring and various elastic elements.

[0075] The elastic coefficient, material and number of the elastic part 4 are not limited, but it should be noted that the elastic tension of the elastic part 4 should not be too large, so as to avoid affecting the performance of each film layer of the telescopic screen 1 due to too large tension when the telescopic screen 1 is stretched out, avoid damaging the telescopic screen 1 and ensure the service life of the telescopic screen 1.

[0076] In the embodiment, the first rack 2 and the transmission assembly 9 need to have good meshing performance to ensure that the first rack 2 can smoothly drive the first connecting part 11 to move. Lubricating measures can also be provided between the first rack 2 and the transmission assembly 9 to ensure the running performance of the first rack 2.

[0077] On the basis of any of the above embodiments, the telescopic assembly comprises: a connecting rod mechanism 6, one end of the connecting rod mechanism 6 is connected with the output end of the transmission assembly 9, and the other end of the connecting rod mechanism 6 is connected with the first connecting part 11; an elastic part 4, one end of the elastic part 4 is connected with the support seat 5, and the other end of the elastic part 4 is used to be connected with the display base.

[0078] Please refer to Figures 4 to 6 , the telescopic assembly comprises the connecting rod mechanism 6 and the elastic part 4, and the connecting rod mechanism 6 and the elastic part 4 cooperate with the transmission assembly 9 and the driving part 8 to realize the stretching and retracting of the telescopic screen 1, which has simple structure, small noise and strong applicability.

[0079] The connecting rod mechanism 6 comprises at least two connecting rod groups connected through a hinge shaft, one end of the connecting rod mechanism 6 is connected with the output end of the transmission assembly 9, and the other end of the connecting rod mechanism 6 is connected with the first connecting part 11; under the action of the driving member 8 and the transmission assembly 9, the distance between the two connecting rod groups and the support base 5 can be relatively reduced or increased, corresponding to the contraction and expansion of the telescopic screen 1 respectively.

[0080] The end of the connecting rod mechanism 6 connected with the transmission assembly 9 is accommodated in the shell 3, the transmission part is arranged in the shell 3, and the safety during use is enhanced.

[0081] One end of the elastic member 4 is connected with the support base 5, and the other end is fixed on the display base. During the process that the connecting rod mechanism 6 drives the telescopic screen 1 to expand, the elastic member 4 is in a lengthened state, generates a pulling resistance, the direction of the resistance is opposite to the direction in which the telescopic screen 1 expands, the telescopic screen 1 is prevented from being pulled out directly when the telescopic screen 1 expands too fast, and the stability and flatness of the screen during expansion are ensured; during the process that the connecting rod mechanism 6 drives the telescopic screen 1 to contract, the elastic member 4 is in a retracted state, the elastic force of the elastic member 4 is in the same direction as the direction in which the telescopic screen 1 contracts, at this time, the elastic member 4 uses the elastic force to cooperate with the connecting rod mechanism 6 to make the telescopic screen 1 contract in place.

[0082] The elastic member 4 can be a tension spring, a torsion spring and various elastic elements.

[0083] The elastic coefficient, material and number of the elastic member 4 are not limited, and similarly, it needs to be noted that the elastic tension of the elastic member 4 cannot be too large, the performance of each film layer of the telescopic screen 1 is prevented from being affected due to the too large tension when the telescopic screen 1 expands, the telescopic screen 1 is prevented from being damaged, and the service life of the telescopic screen 1 is ensured.

[0084] When the telescopic screen 1 is expanded, the connecting rod mechanism 6 can drive the end, at which the first connecting part 11 of the telescopic screen 1 is located, to rise under the action of the driving member 8 and the transmission assembly 9, the elastic member 4 can provide elastic tension to the end, at which the second connecting part 12 of the telescopic screen 1 is located, so that the telescopic screen 1 in the expanded state is in a tensioned state to ensure the neatness of the screen, avoid wrinkles or damage of the screen, ensure a better display effect, and improve the user experience.

[0085] When the telescopic screen 1 is contracted, the connecting rod mechanism 6 can drive the end, at which the first connecting part 11 of the telescopic screen 1 is located, to descend under the action of the driving member 8 and the transmission assembly 9, at this time, the elastic member 4 is in a retracted state, and the elastic force of the elastic member 4 can be used to cooperate with the connecting rod mechanism 6 to make the telescopic screen 1 contract in place, at this time, the control element can control the driving member 8 to stop working.

[0086] It needs to be noted that the rising and descending here refer to the up-down direction in the figure. Figure 4

[0087] ​On the basis of any of the above embodiments, the telescopic assembly comprises: a first rack 2, two ends of the first rack 2 being connected with a first output end of the transmission assembly 9 and the first connecting part 11 respectively; and a second rack 7, two ends of the second rack 7 being connected with a second output end of the transmission assembly 9 and the support base 5 respectively.

[0088] In the present embodiment, the transmission assembly 9 comprises a plurality of gears for cooperating with the racks for transmission. Please refer to Figure 7 、 Figure 8 .

[0089] A rack is a part with teeth distributed on a bar-shaped body, which is used in cooperation with a gear. Please refer to Figure 5 、 Figure 6 The first rack 2 and the second rack 7 are both driven by the transmission assembly 9, and the first rack 2 and the second rack 7 correspond to the first connecting part 11 and the second connecting part 12 of the telescopic screen 1, wherein the second connecting part 12 is connected to the support base 5, and the movement of the support base 5 is driven by the second rack 7, i.e. the movement of the second connecting part 12 is driven by the second rack 7.

[0090] Next, the working process of the double-rack structure will be introduced:

[0091] When the driving member 8 drives the transmission assembly 9, the first rack 2 and the second rack 7 move synchronously, ensuring the tension state of the telescopic screen 1, and further driving the telescopic screen 1 to reciprocate as needed to realize expansion or retraction.

[0092] When the telescopic screen 1 is expanded, the first rack 2 can drive the end where the first connecting part 11 of the telescopic screen 1 is located to rise under the action of the driving member 8 and the transmission assembly 9, and the second rack 7 can drive the end where the second connecting part 12 of the telescopic screen 1 is located to approach the housing 3 under the action of the driving member 8 and the transmission assembly 9, so that the telescopic screen 1 in the expanded state is in a tension state to ensure the neatness of the screen and avoid wrinkles or damage to the screen, ensuring a better display effect and improving the user experience.

[0093] When the telescopic screen 1 is retracted, the first rack 2 can drive the end where the first connecting part 11 of the telescopic screen 1 is located to descend under the action of the driving member 8 and the transmission assembly 9, and the second rack 7 can drive the end where the second connecting part 12 of the telescopic screen 1 is located to move away from the housing 3 under the action of the driving member 8 and the transmission assembly 9, until the driving member 8 stops working when the telescopic screen 1 is retracted to the position.

[0094] It should be noted that up, down, left and right here refer to the directions in Figure 7 .

[0095] In the embodiment, the first rack 2 and the second rack 7 need to have good meshing performance with the transmission assembly 9 to ensure smooth movement of the first rack 2 and the second rack 7. Lubricating measures can also be provided between the first rack 2, the second rack 7 and the transmission assembly 9 to ensure the operation performance of the first rack 2 and the second rack 7.

[0096] On the basis of any of the above embodiments, a set of telescopic assemblies is arranged in the middle of the telescopic screen 1.

[0097] Alternatively, a plurality of sets of telescopic assemblies are symmetrically arranged on both sides of the telescopic screen 1.

[0098] Please refer to Figures 1 to 8 The telescopic assemblies are arranged in the middle of the telescopic screen 1 and are driven by a set of transmission assemblies 9, which can drive the telescopic screen 1 to telescope and ensure the stability during telescoping.

[0099] The plurality of sets of telescopic assemblies are symmetrically arranged on both sides of the telescopic screen 1 and are driven by a plurality of sets of transmission assemblies 9, which can drive the telescopic screen 1 to telescope, and the synchronism of the driving members 8 is controlled by the control element to ensure the stability of the plurality of sets of telescopic assemblies during use.

[0100] Alternatively, a plurality of sets of telescopic assemblies can be arranged in the length direction of the telescopic screen 1, such as three sets of telescopic assemblies arranged uniformly along the length direction of the telescopic screen 1, or one set of telescopic assemblies arranged in the middle of the telescopic screen 1 and the other two sets of telescopic assemblies symmetrically arranged on both sides of the telescopic screen 1.

[0101] The specific arrangement of the telescopic assemblies is not limited too much, and it is only required to be able to realize stable telescoping operation of the telescopic screen 1.

[0102] On the basis of any of the above embodiments, the elastic member 4 is a tension spring.

[0103] The tension spring is a spiral spring that bears axial tension. The two ends of the tension spring are provided with hook-shaped members corresponding to the display base and the support seat 5. The display base and the support seat 5 are provided with hole positions corresponding to the hook-shaped members for easy connection. The tension spring structure is simple and convenient to disassemble, and has wide applicability.

[0104] Alternatively, a plurality of tension springs can be arranged along the length direction of the support seat 5 to cooperate with the movement of the telescopic assemblies to jointly act on the telescopic screen 1. It should be noted that if a plurality of tension springs are arranged, the plurality of tension springs must be completely consistent, such as material, elastic coefficient, size, etc., to ensure uniform and consistent elastic force.

[0105] The telescopic screen mechanism can drive the transmission assembly 9 through the driving element 8 to act on the telescopic assembly, and further act on the first connecting part 11 and the second connecting part 12 of the telescopic screen 1 connected at two ends of the telescopic assembly, so as to meet the requirements of stretching or shrinking of the telescopic screen 1. The telescopic screen mechanism has the advantages of simple structure, low noise, saving operation space, ensuring flatness and stability during the telescoping process of the screen, ensuring good display effect, prolonging the service life of the screen, better meeting the requirements of users, and good popularization and application value.

[0106] In addition to the telescopic screen mechanism, the application further provides a display device comprising the telescopic screen mechanism disclosed in any one of the embodiments, and the display device can be a television, a display, a super personal computer, a computer or the like. The structures of other parts of the display device can refer to the prior art, and will not be described herein. The embodiments in the specification are described in a progressive manner, and each embodiment mainly describes the differences from other embodiments. The same or similar parts of each embodiment can be referred to each other.

[0107] The telescopic screen mechanism and the display device are described in detail above. The principles and implementation manners of the application are described by using specific examples. The description of the above embodiments is only used to help understand the method of the application and the core idea. It should be pointed out that, for ordinary skilled in the art, without departing from the principles of the application, the application can be improved and modified in many ways, and these improvements and modifications also fall within the protection scope of the claims of the application.

Claims

1. A retractable screen mechanism, characterized by, The utility model relates to a telescopic screen mechanism, including: Telescopic screen (1), first connecting part (11) and second connecting part (12) are equipped with in both ends of telescopic screen (1), Telescopic component, one end of telescopic component is connected with first connecting part (11), the other end of telescopic component is connected with second connecting part (12), Driving part (8) has output, Transmission assembly (9), the input of transmission assembly (9) is connected with the output of driving part (8), and the output of transmission assembly (9) is connected with telescopic component, One end of telescopic screen (1) is equipped with support seat (5), and second connecting part (12) is connected with support seat (5), Telescopic component includes: First rack (2), both ends of first rack (2) are connected with the first output of transmission assembly (9) respectively, first connecting part (11), Second rack (7), both ends of second rack (7) are connected with the second output of transmission assembly (9) respectively, support seat (5), when driving part (8) drives transmission assembly (9), first rack (2) and second rack (7) synchronous motion, guarantee the tension state of telescopic screen (1).

2. A retractable screen mechanism according to claim 1, wherein, Further including control element, control element is connected with driving part (8) signal.

3. A retracting screen mechanism according to claim 2, wherein One side of support seat (5) is equipped with shell (3), and driving part (8), transmission assembly (9) are all equipped in shell (3).

4. A display device, characterized by comprising: Including the telescopic screen mechanism of any one of claims 1 to 3.

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